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Phys.org / What makes a star a star? A strange 'in‑between' celestial object is testing astronomers' boundaries

A star called TOI-2155 lies around 1,350 light-years (839 trillion miles) from Earth. It is a little bigger, heavier and hotter than the sun, and it is not particularly interesting or unusual in itself.

Jul 2, 2026
Phys.org / Efficient method for preparing pseudopregnant mice promotes laboratory animal welfare

In biomedical research using mouse models, preparing pseudopregnant recipient females is a standard step in embryo transfer protocols. Conventionally, this process requires technicians to select female mice showing clear ...

20 hours ago
Phys.org / Early parenting shapes the brain and socio-sexual behavior, rodent study shows

Past psychology studies have consistently highlighted the importance of social bonds for survival, showing that enduring relationships are linked with a longer life expectancy, a more resilient immune system, better cardiovascular ...

Jul 6, 2026
Medical Xpress / HIV vaccine triggers broadly neutralizing antibodies in 44% of primates

A new HIV vaccine developed by La Jolla Institute for Immunology (LJI), Scripps Research scientists and IAVI has the potential to protect humans from developing HIV infection and AIDS. This HIV vaccine is the first to generate ...

Jul 6, 2026
Phys.org / Greenland meltwater adds to AMOC weakening, but updated model finds no tipping point in sight

The state of the Atlantic Meridional Overturning Circulation (AMOC) has been a hot topic among climate scientists in recent years. The AMOC is crucial for climate regulation because it pulls warm surface water from the tropics ...

Jul 4, 2026
Tech Xplore / New AI add-on helps developers automate everyday programming tasks

Developers are increasingly relying on large language models (LLMs) for everyday computing tasks such as fixing bugs, explaining code and automating text-processing tasks like filtering logs.

Jul 6, 2026
Phys.org / First synthetic protein motor moves along DNA in controlled, programmable steps

Researchers from UNSW Sydney have built the first artificial protein motor capable of taking controlled, directional steps along a DNA track. The protein, dubbed Tumbleweed, moves by alternating between three "feet" that ...

Jul 6, 2026
Science X / Some dark personality traits may help the body handle stress more easily, finds new study

Better immunity to stress is a superpower most of us would like to possess. Surprisingly, people with certain dark personality traits do have better protection against stress than most people.

Jul 6, 2026
Medical Xpress / Jolted by Ebola, countries try again to finish pandemic treaty

WHO member states kicked off one more attempt at finalizing the missing piece of the pandemic treaty on Monday, with the Ebola outbreak injecting a fresh sense of urgency.

21 hours ago
Phys.org / Traces of Earth's primordial magma ocean discovered in lava from a modern volcanic eruption

In May 2018, the island of Mayotte, between Madagascar and Mozambique, began to experience a series of earthquakes that led to the discovery of an underwater volcano, now called Fani Maoré. Multiple scientific expeditions ...

Jul 6, 2026
Phys.org / Spontaneous current loops in a kagome metal point to hidden quantum order

Quantum materials, materials exhibiting physical behavior governed by the laws of quantum mechanics, have proved promising for the development of numerous advanced technologies, including quantum technologies, memory devices ...

Jul 2, 2026
Phys.org / Ancient hobbit-like humans may have survived on meat left behind by Komodo dragons

Arguably one of the most curious ancient human relatives is Homo floresiensis, a 3-foot-tall species that lived on the Indonesian island of Flores and has been nicknamed "hobbit" for its diminutive stature. Even though they ...

Jul 6, 2026